Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average sea temperature in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
In March, the average high-temperature registers at a still pleasant 73°F (22.8°C), nearly identical to February's 69.4°F (20.8°C). Port Isabel's nighttime temperature in March experiences a slight dip from daytime highs, falling to an average of 66°F (18.9°C).Humidity
The average relative humidity in March is 79%.Rainfall
In Port Isabel, Texas, during March, the rain falls for 8.2 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Port Isabel, during the entire year, the rain falls for 143.2 days and collects up to 21.38" (543mm) of precipitation.Ocean temperature
In Port Isabel, Texas, the average seawater temperature in March is 68.2°F (20.1°C).Note: For most individuals, swimming in 68.2°F (20.1°C) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 69.8°F (21°C).
Daylight
The average length of the day in March is 12h and 2min.On the first day of the month, sunrise is at 6:51 am and sunset at 6:30 pm CST. On the last day of March, in Port Isabel, sunrise is at 7:20 am and sunset at 7:45 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.
Sunshine
The average sunshine in March in Port Isabel, Texas, is 7.7h.UV index
In Port Isabel, the average daily maximum UV index in March is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In March, the maximum UV index of 6 suggests these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are the temperatures in Port Isabel in March?
What is the average humidity in March in Port Isabel?
How much does it rain in Port Isabel in March?
What is the ocean temperature in March in Port Isabel?
What is the average length of the day in March in Port Isabel?
When are sunrise and sunset in March in Port Isabel?
When does Daylight Saving Time (DST) start in March in Port Isabel?
How many hours of sunshine does Port Isabel have in March?
How high is the UV index in March in Port Isabel?
Average temperature in March
Port Isabel, TX
- Average high temperature in March: 73°F
The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (67.1°F).
- Average low temperature in March: 66°F
The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in March
Port Isabel, TX
- Average pressure in March: 29.99"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in March
Port Isabel, TX
- Average wind speed in March: 14mph
The windiest month (with the highest average wind speed) is April (14.2mph).
The calmest month (with the lowest average wind speed) is September (10.9mph).
Average humidity in March
Port Isabel, TX
- Average humidity in March: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Port Isabel, TX
- Average rainfall in March: 0.87"
The wettest month (with the highest rainfall) is September (4.13").
The driest month (with the least rainfall) is April (0.51").
Average rainfall days in March
Port Isabel, TX
- Average rainfall days in March: 8.2 days
The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is March (8.2 days).
Average sea temperature in March
Port Isabel, TX
- Average sea temperature in March: 68.2°F
The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (66.7°F).
Average daylight in March /
Average sunshine in March
Port Isabel, TX
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in March: 7h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in March
Port Isabel, TX
- Average sunshine days in March: 20.7 days
The month with the most sunshine days is March (20.7 days).
The month with the least sunshine days is September (7.2 days).
Average UV index in March
Port Isabel, TX
- Average UV index in March: 6
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in March
Port Isabel, TX
- Average cloud cover in March: 39
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in March
Port Isabel, TX
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Port Isabel, Texas, USA
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